FR517113A - Perfectionnements aux aspirateurs - Google Patents

Perfectionnements aux aspirateurs

Info

Publication number
FR517113A
FR517113A FR517113A FR517113DA FR517113A FR 517113 A FR517113 A FR 517113A FR 517113 A FR517113 A FR 517113A FR 517113D A FR517113D A FR 517113DA FR 517113 A FR517113 A FR 517113A
Authority
FR
France
Prior art keywords
vacuum cleaner
cleaner
vacuum
cleaner improvements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR517113A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pratt Engineering & Machine Co
Original Assignee
Pratt Engineering & Machine Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pratt Engineering & Machine Co filed Critical Pratt Engineering & Machine Co
Application granted granted Critical
Publication of FR517113A publication Critical patent/FR517113A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/266—Rotors specially for elastic fluids mounting compressor rotors on shafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR517113A 1919-06-12 1920-06-14 Perfectionnements aux aspirateurs Expired FR517113A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US517113XA 1919-06-12 1919-06-12

Publications (1)

Publication Number Publication Date
FR517113A true FR517113A (fr) 1921-04-30

Family

ID=21972903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR517113A Expired FR517113A (fr) 1919-06-12 1920-06-14 Perfectionnements aux aspirateurs

Country Status (1)

Country Link
FR (1) FR517113A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571478A (en) * 1983-04-21 1986-02-18 Air Products And Chemicals, Inc. Electrode drive and nozzle system for an automatic air carbon-arc cutting and gouging torch
EP0300596A1 (fr) * 1987-07-22 1989-01-25 Concentric Pumps Limited Impulseur de pompe à eau

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571478A (en) * 1983-04-21 1986-02-18 Air Products And Chemicals, Inc. Electrode drive and nozzle system for an automatic air carbon-arc cutting and gouging torch
EP0300596A1 (fr) * 1987-07-22 1989-01-25 Concentric Pumps Limited Impulseur de pompe à eau

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